Migraine headache has been described as an episodic, paroxysmal headache, usually but not necessarily affecting one side of the head; which may or may not be associated with giddiness, nausea, vomiting or visual impairment. The painful episode of migraine is usually intense and lasting for half an hour to over a couple of days.
The exact cause often remains unknown. It has been proved that migraine is a vascular disorder. Due to some triggering factors, varying from person to person, there is some kind of vasoconstriction and vasodilatation of the branches of the carotid artery (the major neck blood vessel) which leads to typical throbbing and congestive attack of headache.
While the exact causation in unknown, it has been observed in practice that migraine is often psychosomatic in origin. There is a migraine personality and it has been observed in a study of a series of migraine patients that there is also a common thread in the migraine personality type.
Many independent studies at various institutes have also shown that most migraine sufferers show one or many of the following behavioral pattern: conscientiousness, fastidiousness, rigidity of views, constant conflict between the environment and self, high level of expectation.
Migraine sufferers are more females than males. However, There is a shift. Often observed to be running in the family, showing hereditary links.